Posts by 

Les Cowley

Why wildfires create red suns and moons

Red suns and moons have been seen all over North America in July 2021. The reason is drifting wildfire smoke. Here's why it happens.

First-ever image of 5th order rainbow!

The fabled quinary or 5th order rainbow is made by sunlight reflected five times inside raindrops. Now, for the first time, we have an image of one.

2021 EarthSky Fundraiser

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